diff options
| author | Diana Z <dzigterman@chromium.org> | 2020-03-05 13:10:55 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-03-16 19:11:45 +0000 |
| commit | b9d829a21f2c4ea85d96ba7df8426720591cc75c (patch) | |
| tree | 5ed66707d084332f084b2159a2cfc9096e61ee14 /driver/retimer/tusb544.c | |
| parent | bf3e265541b3596359ae3d579657e07598c02ae5 (diff) | |
| download | chrome-ec-b9d829a21f2c4ea85d96ba7df8426720591cc75c.tar.gz | |
TUSB544: Add driver structure declaration
This adds the extern declaration for the tusb544_drv structure for
boards to use, clarifies the name of the I2C address flag, and updates
to the new redriver driver type.
BUG=None
BRANCH=None
TEST=builds
Signed-off-by: Diana Z <dzigterman@chromium.org>
Change-Id: I045b76599f6cc5a4c64ae88bda7cd72c94a19e40
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2101218
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Diffstat (limited to 'driver/retimer/tusb544.c')
| -rw-r--r-- | driver/retimer/tusb544.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/driver/retimer/tusb544.c b/driver/retimer/tusb544.c index 3d8cb9119e..3c9549c15b 100644 --- a/driver/retimer/tusb544.c +++ b/driver/retimer/tusb544.c @@ -8,49 +8,49 @@ #include "tusb544.h" #include "usb_mux.h" -static int tusb544_write(int port, int offset, int data) +static int tusb544_write(const struct usb_mux *me, int offset, int data) { - return i2c_write8(usb_retimers[port].i2c_port, - usb_retimers[port].i2c_addr_flags, + return i2c_write8(me->i2c_port, + me->i2c_addr_flags, offset, data); } -static int tusb544_read(int port, int offset, int *data) +static int tusb544_read(const struct usb_mux *me, int offset, int *data) { - return i2c_read8(usb_retimers[port].i2c_port, - usb_retimers[port].i2c_addr_flags, - offset, data); + return i2c_read8(me->i2c_port, + me->i2c_addr_flags, + offset, data); } -static int tusb544_enter_low_power_mode(int port) +static int tusb544_enter_low_power_mode(const struct usb_mux *me) { int reg; int rv; - rv = tusb544_read(port, TUSB544_REG_GENERAL4, ®); + rv = tusb544_read(me, TUSB544_REG_GENERAL4, ®); if (rv) return rv; /* Setting CTL_SEL[0,1] to 0 powers down, per Table 5 */ reg &= ~TUSB544_GEN4_CTL_SEL; - return tusb544_write(port, TUSB544_REG_GENERAL4, reg); + return tusb544_write(me, TUSB544_REG_GENERAL4, reg); } -static int tusb544_init(int port) +static int tusb544_init(const struct usb_mux *me) { return EC_SUCCESS; } -static int tusb544_set_mux(int port, mux_state_t mux_state) +static int tusb544_set_mux(const struct usb_mux *me, mux_state_t mux_state) { int reg; int rv; if (mux_state == USB_PD_MUX_NONE) - return tusb544_enter_low_power_mode(port); + return tusb544_enter_low_power_mode(me); - rv = tusb544_read(port, TUSB544_REG_GENERAL4, ®); + rv = tusb544_read(me, TUSB544_REG_GENERAL4, ®); if (rv) return rv; @@ -69,24 +69,24 @@ static int tusb544_set_mux(int port, mux_state_t mux_state) else if (mux_state & USB_PD_MUX_USB_ENABLED) reg |= TUSB544_CTL_SEL_USB_ONLY; - rv = tusb544_write(port, TUSB544_REG_GENERAL4, reg); + rv = tusb544_write(me, TUSB544_REG_GENERAL4, reg); if (rv) return rv; - rv = tusb544_read(port, TUSB544_REG_GENERAL6, ®); + rv = tusb544_read(me, TUSB544_REG_GENERAL6, ®); if (rv) return rv; reg &= ~TUSB544_GEN6_DIR_SEL; - if (pd_get_power_role(port) == PD_ROLE_SOURCE) + if (pd_get_power_role(me->usb_port) == PD_ROLE_SOURCE) reg |= TUSB544_DIR_SEL_USB_DP_SRC; else reg |= TUSB544_DIR_SEL_USB_DP_SNK; - return tusb544_write(port, TUSB544_REG_GENERAL6, reg); + return tusb544_write(me, TUSB544_REG_GENERAL6, reg); } -const struct usb_retimer_driver tusb544_usb_redriver_drv = { +const struct usb_mux_driver tusb544_drv = { .enter_low_power_mode = &tusb544_enter_low_power_mode, .init = &tusb544_init, .set = &tusb544_set_mux, |